SimCity ska äntligen begåvas med offline-stöd, något som många spelare fortfarande längtar efter, men framförallt något som hade behövts under spelets inledande veckor på marknaden där servrarna inte klarade trycket. Maxis har adresserat spelets officiella hemsida för att förklara varför det hela tar sådan tid.
"The original creative vision for SimCity was to make a game where every action had an effect on other cities in your region. As such, we engineered the game to meet this vision, setting up the player's PC (client) to communicate all of its information to the servers. That means that our entire architecture was written to support this, from the way that the simulation works to the way that you communicate across a region of cities."
"By the time we're finished we will have spent over six and a half months working to write and rewrite core parts of the game to get this to work. Even things that seem trivial, like the way that cities are saved and loaded, had to be completely reworked in order to make this feature function correctly."
"I wish it were as simple as flipping a switch and telling the game to communicate with a dummy client rather than our server, but it's more than that. Entire calculations had to be rewritten in order to make the game function correctly."